1 // { dg-do compile { target c++14 } }
2 
3 // Copyright (C) 2014-2021 Free Software Foundation, Inc.
4 //
5 // This file is part of the GNU ISO C++ Library.  This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
9 // any later version.
10 
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 // GNU General Public License for more details.
15 
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3.  If not see
18 // <http://www.gnu.org/licenses/>.
19 
20 #include <experimental/system_error>
21 #include <future>
22 using std::is_error_code_enum;
23 using std::is_error_condition_enum;
24 using std::experimental::is_error_code_enum_v;
25 using std::experimental::is_error_condition_enum_v;
26 
27 // These tests are rather simple, the front-end tests already test
28 // variable templates, and the library tests for the underlying
29 // traits are more elaborate. These are just simple sanity tests.
30 
31 static_assert(is_error_code_enum_v<std::future_errc>
32 	      && is_error_code_enum<std::future_errc>::value, "");
33 
34 static_assert(!is_error_code_enum_v<int>
35 	      && !is_error_code_enum<int>::value, "");
36 
37 static_assert(is_error_condition_enum_v<std::errc>
38 	      && is_error_condition_enum<std::errc>::value, "");
39 
40 static_assert(!is_error_condition_enum_v<int>
41 	      && !is_error_condition_enum<int>::value, "");
42